International Journal of Aeronautical and Space Sciences

The Korean Society for Aeronautical and Space Sciences (한국항공우주학회)
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Structural Analysis of a Composite Target-drone

  • Park, Yong-Bin (Research Center for Aircraft Parts Technology, Department of Aerospace Engineering, Gyeongsang National University) ;
  • Nguyen, Khanh-Hung (Research Center for Aircraft Parts Technology, Department of Aerospace Engineering, Gyeongsang National University) ;
  • Kweon, Jin-Hwe (Research Center for Aircraft Parts Technology, Department of Aerospace Engineering, Gyeongsang National University) ;
  • Choi, Jin-Ho (Research Center for Aircraft Parts Technology, Department of Aerospace Engineering, Gyeongsang National University) ;
  • Han, Jong-Su (Micro Enginering)
  • Received : 2011.01.22
  • Accepted : 2011.03.18
  • Published : 2011.03.30
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Abstract

A finite element analysis for the wing and landing gear of a composite target-drone air vehicle was performed. For the wing analysis, two load cases were considered: a 5g symmetric pull-up and a -1.5g symmetric push-over. For the landing gear analysis, a sinking velocity of 1.4 m/s at a 2g level landing condition was taken into account. MSC/NASTRAN and LS-DYNA were utilized for the static and dynamic analyses, respectively. Finite element results were verified by the static test of a prototype wing under a 6g symmetric pull-up condition. The test showed a 17% larger wing tip deflection than the finite element analysis. This difference is believed to come from the material and geometrical imperfections incurred during the manufacturing process.

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References

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